May weather forecast
Ostrava, Czech Republic

Weather in May

May, the last month of the spring in Ostrava, is a comfortable month, with an average temperature ranging between min 8°C (46.4°F) and max 19°C (66.2°F).

Temperature

In May, the average high-temperature rises from a mild 14°C (57.2°F) in April to a comfortable 19°C (66.2°F). The average low-temperature, in Ostrava, is 8°C (46.4°F).

Rainfall

In Ostrava, it is raining for 15 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, in Ostrava, Czech Republic, there are 162 rainfall days, and 684mm (26.93") of precipitation is accumulated.

Daylight

In May, the average length of the day is 15h and 25min.
On the first day of May in Ostrava, Czech Republic, sunrise is at 05:23 and sunset at 20:04. On the last day of the month, sunrise is at 04:44 and sunset at 20:45 CEST.

Sunshine

May through August, with an average of 7h of sunshine, are months with the most sunshine.

UV index

The average daily maximum UV index in May in Ostrava is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
[Resources]

FAQ

What is the temperature in May in Ostrava?

In May, in Ostrava, Czech Republic, the average high-temperature is 19°C (66.2°F), and the average low-temperature is 8°C (46.4°F).

How much does it rain in Ostrava in May?

In Ostrava, Czech Republic, during May, the rain falls for 15 days and regularly aggregates up to 82mm (3.23") of precipitation.

What is the average length of the day in May in Ostrava?

In May, the average day length in Ostrava, Czech Republic, is 15h and 25min.

When is the sunrise / sunset in May in Ostrava?

In May, on the first day of the month, sunrise is at 05:23 and sunset at 20:04. On the last day of the month, sunrise is at 04:44 and sunset at 20:45 CEST.

What is the month with the most sunshine in Ostrava?

The months with the most sunshine in Ostrava are May through August, with an average of 7h of sunshine.

How long on average sun shines in May in Ostrava?

The average sunshine duration in May is 7h.

How high is the UV index in May in Ostrava?

In Ostrava, Czech Republic, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average rainfall days
Average sunshine
Average UV index

Average temperature in May
Ostrava, Czech Republic

Average temperature in May - Ostrava, Czech Republic
  • Average high temperature in May: 19°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (1°C).

  • Average low temperature in May: 8°C

The months with the highest average low temperature are July and August (12°C).
The coldest month (with the lowest average low temperature) is January (-5°C).

[Resources]

Average rainfall in May
Ostrava, Czech Republic

Average rainfall in May - Ostrava, Czech Republic
  • Average rainfall in May: 82mm

The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is January (32mm).

[Resources]

Average rainfall days in May
Ostrava, Czech Republic

Average rainfall days in May - Ostrava, Czech Republic
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is June (16 days).
The months with the least rainy days are February, March, September and October (12 days).

[Resources]

Average daylight in May /
Average sunshine in May
Ostrava, Czech Republic

Average daylight in May / Average sunshine in May - Ostrava, Czech Republic
  • Average daylight in May: 15h and 25min

The month with the longest days is June (Average daylight: 16h and 16min).
The month with the shortest days is December (Average daylight: 8h and 11min).

  • Average sunshine in May: 7h

The months with the most sunshine are May, June, July and August (Average sunshine: 7h).
The month with the least sunshine is December (Average sunshine: 1h).

[Resources]

Average UV index in May
Ostrava, Czech Republic

Average UV index in May - Ostrava, Czech Republic
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 1).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location